Flashing Wall To Concrete Slab

Tek 19 5a flashing details for concrete masonry walls ref.

Flashing wall to concrete slab.

This prevents water from leaking under the bottom of the wall to the inside of the building. Although flashing is the primary focus of this tek it should be understood that the role of vapor retarders air barriers and insulation are also important elements to consider for any wall design as the performance of the entire system can be dependent on. Sometimes however if the slope is not sufficient deflection of the interior portion of the concrete slab can cause the balcony slab to rotate. Flashing must be located beneath the first course of masonry above finished ground level above the foundation wall or slab and at other points of support including structural floors shelf angles and lintels when masonry veneers are designed per section r703 7.

The patio slab extends 4 in. Another common entry point is where stucco or exterior foam insulation extends. An exterior wall must be placed on the outside edge of the slab so the exterior siding laps down and over the edge of the slab. 3 includes such details.

Wall flashing details. The same problem occurs where a raised porch or patio slab attaches to the main building. In this article building corners. Lead flashing is non reactive for the most part but it comes with its own intrinsic challenges because of its toxicity.

Yet another option is to avoid metal flashing altogether and to use a pvc or rubberized asphalt product. Flashing at the base of balcony walls is often incorrectly installed or omitted altogether. The balcony slab should be sloped away from the masonry wall. A wall or siding needs special detailing to prevent leaks and damage where the wall encounters any horizontal surface such as a foundation wall top or a concrete porch slab.

For example the crevice between concrete stairs and the foundation is a common entry point. Exterior wall on slab must be out on the edge. Lip would be dangerous not to mention unsightly. This article series provides details of foundation tops building walls exterior trim wall corners and roof wall intersection flashing to prevent leaks water damage.

Consider a wood shed floor treated lumber joists and plywood. But i have two small children and i m afraid that angling flashing over the 4 in.